CN102530788A - High altitude work vehicle and working hopper protection device thereof - Google Patents

High altitude work vehicle and working hopper protection device thereof Download PDF

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Publication number
CN102530788A
CN102530788A CN2011104248888A CN201110424888A CN102530788A CN 102530788 A CN102530788 A CN 102530788A CN 2011104248888 A CN2011104248888 A CN 2011104248888A CN 201110424888 A CN201110424888 A CN 201110424888A CN 102530788 A CN102530788 A CN 102530788A
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CN
China
Prior art keywords
work bucket
limiting section
tipping
carriage
bucket
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN2011104248888A
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Chinese (zh)
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CN102530788B (en
Inventor
陈贤圣
高文
周磊
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hunan Zoomlion Emergency Equipment Co Ltd
Original Assignee
Changsha Zoomlion Fire Fighting Machinery Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Changsha Zoomlion Fire Fighting Machinery Co Ltd filed Critical Changsha Zoomlion Fire Fighting Machinery Co Ltd
Priority to CN201110424888.8A priority Critical patent/CN102530788B/en
Publication of CN102530788A publication Critical patent/CN102530788A/en
Priority to PCT/CN2012/081930 priority patent/WO2013086877A1/en
Application granted granted Critical
Publication of CN102530788B publication Critical patent/CN102530788B/en
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F17/00—Safety devices, e.g. for limiting or indicating lifting force
    • B66F17/006—Safety devices, e.g. for limiting or indicating lifting force for working platforms

Abstract

The invention provides a working hopper protection device of a high altitude work vehicle, which comprises at least one limit mechanism. The limit mechanism comprises at least one limit part arranged on a bracket of a working hopper and at least one matching part arranged at the bottom of the working hopper. The invention also provides the high altitude work vehicle which comprises the working hopper and the working hopper protection device. The working hopper protection device can be used for limiting the working hopper to slide in the horizontal direction and/or limiting the working hopper to be turned over after a bearing part loses efficacy, so that the working hopper can be effectively prevented from slipping and/or being tipped over.

Description

Aerial platform and work bucket fender guard thereof
Technical field
The present invention relates to aerial platform, particularly the work bucket fender guard of aerial platform.
Background technology
Aerial platform is a kind of staff, machinery and equipment to be lifted to the high-altitude assigned address, is engaged in the specialized equipment of operations such as installation, maintenance, rescue.The work bucket is tumbled and fallen is one of principal mode that causes the aerial platform serious accident.Because of being the manned operation in high-altitude, so its safety most important technical performance that is aerial platform.Therefore, the work bucket that is necessary for very much aerial platform is provided with fender guard.
Summary of the invention
The present invention aims to provide a kind of aerial platform work bucket fender guard.
Aerial platform work bucket fender guard provided by the invention comprises at least one stop gear, and said at least one stop gear comprises at least one limiting section and at least one auxiliary section that is arranged at work bucket bottom on the carriage that is arranged at the work bucket.
The present invention also provides a kind of aerial platform, comprises the work bucket, also comprises above-mentioned any one work bucket fender guard.
The present invention is through being provided with at least one limiting section on the carriage of work bucket; In work bucket bottom at least one auxiliary section is set; Through the cooperation of the two, after load bearing component lost efficacy, can place restrictions on the work bucket and slide in the horizontal direction; And/or place restrictions on work bucket upset, thereby can effectively prevent the landing of work bucket and/or tumble.
Description of drawings
Fig. 1 is the structural representation of the aerial platform work bucket fender guard in the some embodiments of the invention.
Fig. 2 is the enlarged drawing of A portion among Fig. 1.
Fig. 3 is the structural representation of the bucket of working among Fig. 1.
Fig. 4 is the structural representation of carriage among Fig. 1.
Fig. 5 is the plan structure scheme drawing of Fig. 1 fender guard.
The specific embodiment
Below in conjunction with accompanying drawing and specific embodiment the present invention is done explanation further.
Fig. 1-5 shows the aerial platform work bucket fender guard in the some embodiments of the invention.Shown in Fig. 1-5; 2 is the work bucket of aerial platform, and 1 is the carriage of work bucket, and carriage 1 comprises the vertical part 14 that makes progress of horizontally disposed crossbeam 13 and crossbeam one end; Processing for ease of high accurate hole on the carriage 1; Carriage 1 and work bucket 2 frame design are become two parts, be assembled together through will work bucket 2 and carriage 1 of skeleton support 23, attaching parts 4 and the tie bolt 3 of tray rack 13a, work bucket 2, the work fender guard that struggles against comprises first stop gear 100, second stop gear 200, the 3rd stop gear 300 and the 4th stop gear 400; First stop gear 100 and second stop gear 200 are used for after load bearing component lost efficacy; Prevent that work bucket 2 from sliding in the horizontal direction, the 3rd stop gear 300 and the 4th stop gear 400 are used for after load bearing component lost efficacy, and prevent that work bucket 2 from tumbling.
First stop gear 100 comprises two first square tubes 11 and two second square tubes 21; Two first square tubes 11 are above horizontal surface is fixedly arranged on carriage 1; Two first square tubes 11 are at a distance of certain intervals and vertical basically with crossbeam 13, and two second square tubes 21 are arranged at work bucket 2 bottoms, and relative in the horizontal direction with two first square tubes 11 respectively; More particularly, two second square tubes 21 lay respectively at the inboard of two first square tubes 11.When attaching parts 4, tie bolt 3, skeleton support 23 or tray rack 13a are not enough to support works bucket load and rupture or when coming off (load bearing component lost efficacy back); Work bucket 2 can drop on two crossbeams 13 of carriage 1; At this moment; Two first square tubes 11 and two second square tubes 21 cooperate, and can effectively prevent work bucket 2 left side in Fig. 1 or right side slip in the horizontal direction.Because first square tube 11 and second square tube 21 cooperate and be used for restraint of labour bucket 2 and slide in the horizontal direction, prevent slip limiting section and anti-bearing fit portion so they are called respectively.Preferably leave a little gap between first square tube 11 and cooresponding second square tube 21, so that after the load bearing component inefficacy, work bucket 2 can drop on the crossbeam of carriage 1 reposefully.
Be appreciated that ground, two second square tubes 21 lay respectively at the outside of two first square tubes 11, also can realize above limit function.
It is also understood that ground,, perhaps replace one second square tube 21, also can realize above-mentioned limit function with at least two prominent pieces if replace one first square tube 11 with at least two prominent pieces.More particularly; In certain embodiments; First stop gear also can adopt following scheme: the anti-slip limiting section of at least one of first stop gear comprises at least four prominent pieces; The anti-bearing fit of at least one of first stop gear portion comprises two second square tubes, and at least two prominent pieces are positioned at the wherein inboard or the outside of one second square tube, and at least two prominent pieces are positioned at the inboard or the outside of another root second square tube.In certain embodiments; First stop gear can also adopt following scheme: the anti-slip limiting section of at least one of first stop gear comprises two first square tubes; Two first square tubes are above horizontal surface is fixedly arranged on carriage, at a distance of certain intervals and vertical basically with said crossbeam; The anti-bearing fit of at least one of first stop gear portion comprises at least four prominent pieces; At least two prominent pieces are positioned at the wherein inboard or the outside of one first square tube, and at least two prominent pieces are positioned at the inboard or the outside of another root first square tube.
Second stop gear 200 comprises two crossbeams 13 of carriage 1 and two downward protrusions of work bucket 2 bottoms, and two protrusions adopt the front side of work bucket 2 and the outside that 23, two protrusions of two skeleton supports of rear side are positioned at two crossbeams 13 respectively respectively.After load bearing component lost efficacy, two skeleton supports 23 just in time were stuck in the outside of 1 two crossbeams 13 of carriage, made work bucket 2 front side or rear side in Fig. 1 not to slide, and can not in horizontal surface, rotate.Be appreciated that ground; The protrusion that cooperates with every crossbeam 13 can be more than one, one group of protrusion also can forming by two or more protrusions, in addition; Respectively two groups/two protrusions are arranged at the inboard of two crossbeams 13, also can realize above-mentioned limit function.Because crossbeam 13 and protrusion cooperate and be used for restraint of labour bucket 2 and slide in the horizontal direction, prevent slip limiting section and anti-bearing fit portion so also they are called respectively.
Likewise, preferably leave a little gap between two crossbeams 13 and the cooresponding protrusion, so that after the load bearing component inefficacy, work bucket 2 can drop on the crossbeam of carriage 1 reposefully.
Be appreciated that ground, also can use the structure in first stop gear 100, promptly cooperate or square tube and the cooperation of prominent piece, realize the limit function of second stop gear 200 with square tube and square tube.
The 3rd stop gear 300 comprises anti-tipping limiting section 12 and anti-tipping auxiliary section 22, and anti-tipping limiting section 12 is relative with anti-tipping auxiliary section 22 in the vertical directions.More particularly; Anti-tipping limiting section 12 comprises screw rod 12a; Screw rod 12a is arranged on the crossbeam 13 of carriage 1 through spiro rod support 12b on even keel; Anti-tipping auxiliary section 22 comprises a hook-shaped plate, and the 22b of riser portion of this hook-shaped plate is connected with work bucket 2 bottoms and hook part 22a is positioned at the below of screw rod 12a.
Through turning screw rod 12a, can regulate in the horizontal direction relative position of anti-tipping limiting section 12 and anti-tipping auxiliary section 22 (also being the distance between the 22b of riser portion of screw rod 12a end and hook-shaped plate).Assembling is convenient in this design on the one hand, can do accommodation according to the size in the gap between first square tube 11 and cooresponding second square tube 21 on the other hand, guarantees anti-tipping spacing validity.
The 4th stop gear 400 is identical with the 3rd stop gear, only is arranged on another crossbeam 13 of carriage 1.
The 3rd stop gear 300 and the 4th stop gear 400 can prevent that work bucket left side (being the left side among Fig. 5), front side (being the downside among Fig. 5) and rear side (being the upside among Fig. 5) in Fig. 1 from tumbling.With reference to Fig. 1, after load bearing component lost efficacy, the left side among work bucket 2 load deflection Fig. 1; When making whole work bucket 2 that the trend of tumbling to the left arranged; Hook part 22a will move to the upper left side, but this sport blocked by screw rod 12a, thereby can stop the work bucket to be tumbled to the left.Equally, when trend that the rear side in work bucket 2 digraphs 1 is tumbled, the motion of the hook part 22a in the 3rd stop gear 300 all can be blocked by screw rod 12a, thus can effectively prevent the work bucket backward inclination turn over.When the trend tumbled in the front side in work bucket 2 digraphs 1, the motion of the hook part in the 3rd stop gear 400 all can be blocked by screw rod, thus can effectively prevent the work bucket forward inclination turn over.Obviously, work bucket 2 can not be tumbled on the right side in Fig. 1, therefore need not to design to prevent the stop gear of tumbling to the right.
Be appreciated that ground,, the plate in belt length hole be set, cooperate, also can reach the purpose that anti-work bucket is tumbled through this plate and this screw rod in work bucket 1 bottom correspondence at the crossbeam inboard or the arranged outside screw rod of carriage 1.More particularly: anti-tipping limiting section comprises at least one screw rod, and this at least one screw rod is installed in respectively at least one tapped bore of carriage 1 big beam sides; Anti-tipping auxiliary section comprises at least one plate, and the plate upper edge vertically is provided with slotted hole, and at least one screw rod runs through the slotted hole on this at least one plate respectively.
It is also understood that ground, among some embodiment, can all not comprise above-mentioned first to fourth stop gear, comprise above-mentioned any stop gear, can reach the corresponding protection function.
Among some embodiment; Work bucket fender guard can also comprise warning device and sensor; Sensor is arranged between bottom and the carriage 1 of work bucket 2 and with warning device and is connected, fall 1 last time of carriage when work bucket 2, signal of sensor changes; Thereby make warning device send information, personnel withdraw from escape way in the prompting bucket.Sensor can adopt micro-switch, proximity transducer etc.
Above-mentioned any one work bucket fender guard all can be used for having the aerial platform of work bucket.Be appreciated that ground, the work bucket is not limited to the work bucket of the foregoing description, as long as the work bucket through bracket support, can adopt work bucket fender guard of the present invention.
Some embodiments of the invention have solved not firm that the single-point location is produced in the correlation technique, the problem that the work bucket might rock, swings, tumbles, comes off and having the following advantages at least:
1, after load bearing component lost efficacy, can prevent effectively that the work bucket from sliding in the horizontal direction, avoid the landing of work bucket;
2, after load bearing component lost efficacy, can effectively prevent the upset of work bucket, the work bucket of preventing is tumbled;
3, after load bearing component lost efficacy, the work bucket can significantly not shaken or rocked, and can avoid having an accident once more.
The above only is a preferred implementation of the present invention, and protection scope of the present invention also not only is confined to the foregoing description, and all technical schemes that belongs under the thinking of the present invention all belong to protection scope of the present invention.Should be pointed out that for those skilled in the art in the some improvement and the retouching that do not break away under the principle of the invention prerequisite, these improvement and retouching also should be regarded as protection scope of the present invention.

Claims (13)

1. aerial platform work bucket fender guard; It is characterized in that: comprise at least one stop gear, said at least one stop gear comprises at least one limiting section and at least one auxiliary section that is arranged at work bucket bottom on the carriage that is arranged at the work bucket.
2. work bucket fender guard according to claim 1; It is characterized in that: said at least one limiting section comprises at least one anti-tipping limiting section; Said at least one auxiliary section comprises at least one anti-tipping auxiliary section, and said at least one anti-tipping limiting section is relative with said at least one cooresponding in the vertical direction in anti-tipping auxiliary section.
3. work bucket fender guard according to claim 1; It is characterized in that: said at least one limiting section comprises at least one anti-slip limiting section; Said at least one auxiliary section comprises at least one anti-bearing fit portion, and said at least one anti-slip limiting section is cooresponding relative in the horizontal direction with said at least one anti-bearing fit portion.
4. work bucket fender guard according to claim 1 is characterized in that:
Said at least one limiting section comprises at least one anti-tipping limiting section and at least one anti-slip limiting section,
Said at least one auxiliary section comprises the anti-bearing fit of at least one anti-tipping auxiliary section and at least one portion,
Said at least one anti-tipping limiting section is relative with said at least one cooresponding in the vertical direction in anti-tipping auxiliary section, and said at least one anti-slip limiting section is cooresponding relative in the horizontal direction with said at least one anti-bearing fit portion.
5. according to claim 2 or 4 described work bucket fender guards, it is characterized in that: said at least one anti-tipping limiting section and cooresponding at least one anti-tipping auxiliary section relative position in the horizontal direction can be finely tuned.
6. according to claim 2 or 4 described work bucket fender guards, it is characterized in that:
Said at least one anti-tipping limiting section comprises at least one screw rod, and this at least one screw rod is arranged on the said carriage through supporting spiro rod support on even keel;
Said at least one anti-tipping auxiliary section comprises at least one hook-shaped plate, and the riser portion of this at least one hook-shaped plate is connected with said work bucket bottom and the hook part lays respectively at the below of said at least one screw rod.
7. according to claim 2 or 4 described work bucket fender guards, it is characterized in that:
Said at least one anti-tipping limiting section comprises at least one screw rod, and this at least one screw rod is installed in respectively at least one tapped bore of the big beam sides of said carriage;
Said at least one anti-tipping auxiliary section comprises at least one plate, and the plate upper edge vertically is provided with slotted hole, and said at least one screw rod runs through the slotted hole on said at least one plate respectively.
8. according to claim 3 or 4 described work bucket fender guards, it is characterized in that:
Said at least one anti-slip limiting section comprises two crossbeams of two first square tubes and said carriage, and two first square tubes are above horizontal surface is fixedly arranged on carriage, at a distance of certain intervals and vertical basically with said crossbeam;
Said at least one anti-bearing fit portion comprises two groups of downward protrusions of two second square tubes and work bucket bottom; Said two groups of protrusions are positioned at the outside or the inboard of said two crossbeams respectively, and said two second square tubes lay respectively at the outside or the inboard of said two first square tubes.
9. work bucket fender guard according to claim 8 is characterized in that: said protrusion is the skeleton support of work bucket.
10. according to claim 3 or 4 described work bucket fender guards, it is characterized in that:
Said at least one anti-slip limiting section comprises two first square tubes, and two first square tubes are above horizontal surface is fixedly arranged on carriage, at a distance of certain intervals and vertical basically with said crossbeam;
Said at least one anti-bearing fit portion comprises at least four prominent pieces, and at least two prominent pieces are positioned at the wherein inboard or the outside of one first square tube, and at least two prominent pieces are positioned at the inboard or the outside of another root first square tube.
11., it is characterized in that according to claim 3 or 4 described work bucket fender guards:
Said at least one anti-slip limiting section comprises at least four prominent pieces;
Said at least one anti-bearing fit portion comprises two second square tubes, and at least two prominent pieces are positioned at the wherein inboard or the outside of one second square tube, and at least two prominent pieces are positioned at the inboard or the outside of another root second square tube.
12. according to each described work bucket fender guard among the claim 1-4; It is characterized in that: also comprise warning device and sensor; Said sensor is arranged between bottom and the said carriage of said work bucket and with said warning device and is connected; When said work bucket was fallen on the said carriage, said signal of sensor changed.
13. an aerial platform comprises the work bucket, it is characterized in that: also comprise each described work bucket fender guard among the claim 1-12.
CN201110424888.8A 2011-12-16 2011-12-16 High altitude work vehicle and working hopper protection device thereof Active CN102530788B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201110424888.8A CN102530788B (en) 2011-12-16 2011-12-16 High altitude work vehicle and working hopper protection device thereof
PCT/CN2012/081930 WO2013086877A1 (en) 2011-12-16 2012-09-25 Overhead working lorry and working hopper protection device thereof

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Application Number Priority Date Filing Date Title
CN201110424888.8A CN102530788B (en) 2011-12-16 2011-12-16 High altitude work vehicle and working hopper protection device thereof

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CN102530788A true CN102530788A (en) 2012-07-04
CN102530788B CN102530788B (en) 2014-04-16

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WO (1) WO2013086877A1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013086877A1 (en) * 2011-12-16 2013-06-20 中联重科股份有限公司 Overhead working lorry and working hopper protection device thereof
CN112357853A (en) * 2020-11-13 2021-02-12 长沙中联消防机械有限公司 Working bucket bracket, working bucket mechanism, elevating fire truck or overhead working truck

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111194582B (en) * 2020-01-10 2021-08-10 兰州理工大学 Cutter disc adjusting mechanism and weeding robot

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JP2005074153A (en) * 2003-09-03 2005-03-24 Iura Co Ltd Emergency descending device for elevator
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JP2007106555A (en) * 2005-10-14 2007-04-26 Atex Co Ltd Lifter
CN201258239Y (en) * 2008-08-11 2009-06-17 江阴市华澄特种机械工程有限公司 Aerial working platform operation bucket overload protection device capable of implementing alarm and restraint
CN201786009U (en) * 2010-09-20 2011-04-06 江苏申锡建筑机械有限公司 Tilting prevention device of a construction lifting platform
CN201786004U (en) * 2010-08-17 2011-04-06 浙江博元建设股份有限公司 Dismountable and assemble type overhanging unloading platform

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Publication number Priority date Publication date Assignee Title
CN102530788B (en) * 2011-12-16 2014-04-16 长沙中联消防机械有限公司 High altitude work vehicle and working hopper protection device thereof

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005074153A (en) * 2003-09-03 2005-03-24 Iura Co Ltd Emergency descending device for elevator
CN2759992Y (en) * 2004-09-23 2006-02-22 苏州珠峰升降机械有限公司 Platform area adjusting mechanism of lifting machine
JP2007106555A (en) * 2005-10-14 2007-04-26 Atex Co Ltd Lifter
CN201258239Y (en) * 2008-08-11 2009-06-17 江阴市华澄特种机械工程有限公司 Aerial working platform operation bucket overload protection device capable of implementing alarm and restraint
CN201786004U (en) * 2010-08-17 2011-04-06 浙江博元建设股份有限公司 Dismountable and assemble type overhanging unloading platform
CN201786009U (en) * 2010-09-20 2011-04-06 江苏申锡建筑机械有限公司 Tilting prevention device of a construction lifting platform

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013086877A1 (en) * 2011-12-16 2013-06-20 中联重科股份有限公司 Overhead working lorry and working hopper protection device thereof
CN112357853A (en) * 2020-11-13 2021-02-12 长沙中联消防机械有限公司 Working bucket bracket, working bucket mechanism, elevating fire truck or overhead working truck

Also Published As

Publication number Publication date
CN102530788B (en) 2014-04-16
WO2013086877A1 (en) 2013-06-20

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Address after: 410200 No. 997, Section 2, Tengfei Road, Wangcheng District, Changsha City, Hunan Province

Patentee after: Hunan Zoomlion emergency equipment Co.,Ltd.

Address before: 410013 Zhonglian Science Park, No. 361 South Bank Road, Hunan, Changsha

Patentee before: Changsha Zhonglian Fire-Fighting Machinery Co.,Ltd.

CP03 Change of name, title or address